Requirements

Choose a section to find the requirements specific to that device or computer.

Phone or tablet

If you're using the Fitbit app for iOS, Android, or Windows 10:

You followed the instructions for your device in How do I set up my Fitbit device? Note that you can't set up your Fitbit device from your phone or tablet's Bluetooth screen; you must open the Fitbit app and follow the on-screen instructions.

The software on your phone or tablet is up to date. To see if an update is waiting to be installed:

iOS—Tap Settings > General > Software Update.

Android—Tap Settings > About Phone or About Device > Android Version.

Windows 10—Tap or click Start > Settings > Update & security.

The Bluetooth setting on your phone or tablet is on. To find it:

iOS—Tap Settings > Bluetooth.

Android—Tap Settings > Connections > Bluetooth.

Windows 10—Click or tap Settings > Devices > Bluetooth.

(Android only) Double-check the following information about your phone or tablet:

The operating system on your computer is up to date. To see if an update is waiting to be installed, go to Start > Settings > Update & security.

The Bluetooth setting at Start > Settings > Bluetooth is on. If you can't find the setting and you're not sure whether your computer supports Bluetooth, follow the steps in this blog post to verify Bluetooth capability.

You don't have Fitbit Connect software installed. This software helps computers that don't have the Fitbit app for Windows 10 communicate with Fitbit devices, so if you or someone who uses the same computer had a Fitbit device in the past, it may still be installed. The quickest way to find out is to simply look for the Fitbit logo ( ) near the date and time on your computer screen. If you see the Fitbit icon it means the software is installed. Uninstall it using the same process you use to uninstall any program.

(Blaze customers only) If your computer doesn't have Bluetooth, the charging cradle is plugged in to the computer with your Blaze inside. Blaze syncs with the charging cable instead of a dongle.

(Mac only) If your computer has Bluetooth, go to your System Preferences and verify that it is turned on. Note that even when Bluetooth is on, the signal can occasionally be weak or problematic. When this happens, plug the wireless sync dongle into a USB port on your computer as shown. If your Mac doesn't have Bluetooth the dongle is required. For more information see What is the wireless sync dongle and how do I use it?

If your device didn't come with a dongle and you can't use a phone or tablet instead, contact Customer Support.

If the dongle is plugged in, your computer is able to recognize it. To check, on your computer find and click the icon with a Fitbit logo. It is located near the date and time. If you see "USB Dongle Disconnected," try a different USB port.

Troubleshooting

If you're still unable to set up, try the troubleshooting steps below for your device or computer.

Phone or tablet

Turn off Bluetooth on your phone; wait 10 seconds, and then turn it back on.